B01D 2201/043
Filter tubes connected to plates
B01D2201/043 (Filter tubes connected to plates) appears on 366 US grants and 242 published applications in this corpus.
Search patents in B01D- Granted patents
- 366
- Published applications
- 242
- Assignees
- 228
- Inventors
- 672
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 6 | 0 |
| 1987 | 11 | 0 |
| 1988 | 8 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 12 | 3 |
| 2002 | 15 | 13 |
| 2003 | 9 | 9 |
| 2004 | 6 | 10 |
| 2005 | 6 | 6 |
| 2006 | 5 | 5 |
| 2007 | 3 | 9 |
| 2008 | 4 | 6 |
| 2009 | 3 | 6 |
| 2010 | 1 | 4 |
| 2011 | 5 | 6 |
| 2012 | 7 | 10 |
| 2013 | 3 | 10 |
| 2014 | 4 | 14 |
| 2015 | 7 | 9 |
| 2016 | 11 | 10 |
| 2017 | 3 | 9 |
| 2018 | 5 | 8 |
| 2019 | 8 | 5 |
| 2020 | 13 | 19 |
| 2021 | 9 | 18 |
| 2022 | 12 | 20 |
| 2023 | 9 | 8 |
| 2024 | 8 | 12 |
| 2025 | 13 | 7 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Candle filter device6 Oct 2026US 12,752,222 B2Lenzing Aktiengesellschaft
- Machine for processing liquid or semi-liquid food products11 Aug 2026US 12,702,144 B2Ali Group S.R.L.—Carpigiani
- Regenerative media filter20 Jan 2026US 12,528,034 B2Blue Skies Global LLC
- Water-filtration device6 Jan 2026US 12,515,151 B2Caware Filtering Corporation
- Rectangular filters, assembly and method for filtration14 Oct 2025US 12,440,789 B2Filtration Technology Corporation
- Bile drainage and reinfusion device27 Aug 2026US 2026/0248995 A1Nanjing Drum Tower Hospital
- Regenerative media filter21 May 2026US 2026/0138061 A1Blue Skies Global LLC
- Regenerative media filter21 May 2026US 2026/0138062 A1Blue Skies Global LLC
- Valve type no filter no run filtration system14 May 2026US 2026/0131268 A1Cummins Filtration Inc.
- Fuel filter16 Apr 2026US 2026/0102722 A1Mahle International GmbH
Most cited
By later US patents
- Stormwater filter assembly483US 8,110,099 B2Contech Stormwater Solutions Inc. · 2012
- Method and apparatus for testing the integrity of filter elements142US 5,417,101 APall Corporation · 1995
- Fluid filtration system133US 6,544,424 B1Refined Technology Company · 2003
- Molten metal filter cartridge115US 5,741,422 AMetaullics Systems Co., L.P. · 1998
- Pneumatic hydro-pulse filter system and method of operation81US 4,552,669 AMott Metallurgical Corporation · 1985